Magalhães, R.T. de, Oliveira, I.P. de and Kliemann, H.J. (2007) “RELATIONS BETWEEN DRY MATTER YIELD AND THE AMOUNTS OF NUTRIENTS EXPORTED BY Brachiaria brizantha ON SOILS UNDER THE ‘BARREIRÃO’ CROPPING SYSTEM”, Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], 32(1), pp. 13–20. doi:10.5216/pat.v32i1.2435.